CN107062350B - A kind of thermal power plant unit renewable energy Depth peak regulating method - Google Patents
A kind of thermal power plant unit renewable energy Depth peak regulating method Download PDFInfo
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- CN107062350B CN107062350B CN201710305147.5A CN201710305147A CN107062350B CN 107062350 B CN107062350 B CN 107062350B CN 201710305147 A CN201710305147 A CN 201710305147A CN 107062350 B CN107062350 B CN 107062350B
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- power plant
- thermal power
- plant unit
- depth peak
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000006467 substitution reaction Methods 0.000 claims abstract description 13
- 239000013589 supplement Substances 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005086 pumping Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
Abstract
The invention discloses a kind of thermal power plant unit renewable energy Depth peak regulating methods, determine the type of thermal power plant unit, and confirm each thermal power plant unit operating status, depth peak regulation is carried out to thermal power plant unit, and during peak regulation, unit pressure of steam supply, or supplement Heating Load are supplemented；The present invention can satisfy depth peak regulation requirement, realize cleaning substitution and electric energy substitution, be made that contribution for Ecological Civilization Construction.
Description
Technical field
The present invention relates to a kind of thermal power plant unit renewable energy Depth peak regulating methods.
Background technique
Ecological Civilization Construction requires energy field to realize two substitutions, and one is cleaning substitution, and one is electric energy substitution.
The energy is mainly divided into clean energy resource and non-clean energy by cleaning substitution, for electric energy, clean energy resource
It is primarily referred to as the energy that wind energy, water energy, solar energy, geothermal energy etc. do not need fossil fuel；Non-clean energy is primarily referred to as passing through
The energy of combustion of fossil fuels.Electric energy substitution mainly using the fuel factor and magnetic effect of electricity, generates thermal energy and mechanical energy with full
The needs of sufficient production and living.
Bureau of Energy of the Committee of Development and Reform puts into effect policy, and guidance fired power generating unit depth peak regulation dissolves clean energy resource, realizes cleaning substitution.It is real
Middle discovery is trampled, certain thermal power plant units are not able to satisfy depth peak regulation requirement.These units can be divided into highback according to heat-supplying mode difference
Press thermal power plant unit and condensing bleeder turbine unit.High back pressure thermal power plant unit is mainly affected by hot loading limitation, condensing bleeder turbine unit master
If being limited by low pressure (LP) cylinder into steam flow amount in heat supply running.
During ENERGY PLANNING requires 13, all active service units meet depth peak regulation requirement, therefore thermal power plant unit is not if
It is able to satisfy requirement, faces the danger shut down.
And for high back pressure thermal power plant unit, mainly in depth peak regulation, electric load is lower, and throttle flow is small, Bu Nengman
Sufficient thermic load requirement；To condensing bleeder turbine unit, mainly in depth peak regulation, it is not able to satisfy Heating Load or industry heat is negative
The requirement of lotus, being limited by low pressure (LP) cylinder minimum throttle flow also, is not easy to realize.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of thermal power plant unit renewable energy Depth peak regulating method, this hair
The bright requirement for making thermal power plant unit can satisfy depth peak regulation.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of thermal power plant unit renewable energy Depth peak regulating method, determines the type of thermal power plant unit, and confirm each heat supply machine
Group operating status carries out depth peak regulation to thermal power plant unit, and during peak regulation, supplements unit pressure of steam supply, or supplement heating
Thermic load.
Further, if thermal power plant unit is high back pressure thermal power plant unit, and Heating Period high back pressure is run, non-heating period pure condensate fortune
When row, emphasis monitoring boiler emission sulfur dioxide or/and nitrogen oxides be not exceeded when depth peak regulation.
Further, thermal power plant unit can satisfy the requirement of depth peak regulation under pure condensate operating condition.
Further, if thermal power plant unit is high back pressure thermal power plant unit, and pure high back pressure is run, and meets depth tune in electric load
When peak requires, the insufficient part of thermic load has electrically heated boiler substitution.
Further, if thermal power plant unit is condensing bleeder turbine unit, and thermic load is extraction steam for factories, checks unit pure condensate work
Whether condition meets depth peak regulation requirement, under the premise of meeting the requirements, checks whether industrial pressure of steam supply meets heat user requirement,
It is such as unsatisfactory for thermic load pressure of steam supply requirement, is calmed the anger from steam turbine higher pressure steam extraction section steam extraction and being installed additional on heat supply pipeline
Machine.
The depth peak regulation electric load and thermic load that thermal power plant unit is indicated if meeting heat user requirement all meet.
Further, compressor is by being driven by electricity.
Further, if thermal power plant unit is condensing bleeder turbine unit, and thermic load is heating steam supply, when depth peak regulation, is adopted
Warm heat load is unsatisfactory for part and is substituted by electric heater.
Further, if thermal power plant unit is condensing bleeder turbine unit, and thermic load provides industry and heating steam supply simultaneously, then
Its heating load part installs electric heater additional, and industrial steam supply loaded portion installs compressor additional on heat supply pipeline and is arranged than supplying
The standby steam source of vapour load pressure higher pressure.
Compared with prior art, the invention has the benefit that
The present invention can satisfy depth peak regulation requirement, realizes cleaning substitution and electric energy substitution, does for Ecological Civilization Construction
Contribution is gone out.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is work flow diagram of the present invention.
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The application provides a kind of for thermal power plant unit renewable energy Depth peak regulation method.
High back pressure thermal power plant unit includes two kinds, and one is the operation of Heating Period high back pressure, non-heating period pure condensate operation is another
It is pure high back pressure operation.When high back pressure is run, when electric load meets depth peak regulation requirement, the insufficient part of thermic load has electricity
Heating boiler substitution.
It for condensing bleeder turbine unit, and can be divided into three classes, the first kind is that thermic load is extraction steam for factories, and the second class is heat
Load is heating steam supply, and third class is to provide industry and heating steam supply simultaneously.
For first kind unit, requires to be tested first, checks whether unit pure condensate operating condition meets depth peak regulation requirement,
It under the premise of meeting the requirements, checks whether industrial pressure of steam supply meets heat user requirement, is such as unsatisfactory for, from steam turbine more high pressure
Power steam extraction section steam extraction simultaneously installs the compressor being driven by electricity additional on heat supply pipeline.
For the second class unit, when depth peak regulation, Heating Load is unsatisfactory for part and is substituted by electric heater.
For third class unit, then the method for requiring comprehensive the second class of first kind unit, heating part installs electric heater additional,
Industrial steam supply part installs compressor additional on heat supply pipeline and the standby steam source of higher pressure is arranged.
Certain factory is domestic 200,000 unit, and unit pattern is three cylinder three-exhausters (high pressure divides cylinder), and three low pressure (LP) cylinders, one low
Cylinder pressure is connected with intermediate pressure cylinder, and another two low pressure (LP) cylinder is arranged symmetrically.Each low pressure (LP) cylinder corresponds to individual condenser.Extraction steam for factories is three
Pumping, standby steam source are two pumpings, and heating steam extraction is six pumpings.It is limited by area of heat-supply service, one and intermediate pressure cylinder is only transformed in high back pressure transformation
Connected low pressure (LP) cylinder, to meet heat demand and the minimum throttle flow limitation of another two low pressure (LP) cylinder, unit generation load operation is 19
Ten thousand or so.In order to meet depth peak regulation requirement, unit electric load is set to drop to 80,000, power plant has carried out technological transformation.Mainly
Electric boiler heater has been installed additional in heat supply network service water outlet, in this way when electric load drops to 80,000, when recirculated water leaving water temperature reduces,
It is heated by electric boiler heater, meets heat supply network recirculated water supply water temperature requirement.
By transformation, meet unit depth peak regulation requirement, electric load can drop to 80,000, and meet extraction steam for factories and
The requirement of heating steam extraction.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (5)
1. a kind of thermal power plant unit renewable energy Depth peak regulating method it is characterized in that: determining the type of thermal power plant unit, and confirms each
Thermal power plant unit operating status carries out depth peak regulation to thermal power plant unit, and during peak regulation, supplements unit pressure of steam supply, or mend
Fill Heating Load；
If thermal power plant unit is high back pressure thermal power plant unit, and Heating Period high back pressure is run, when non-heating period pure condensate is run, depth peak regulation
Shi Chongdian monitors that boiler emission sulfur dioxide or/and nitrogen oxides be not exceeded；
If thermal power plant unit is high back pressure thermal power plant unit, and pure high back pressure is run, when electric load meets depth peak regulation requirement, heat
Underload part is substituted by electrically heated boiler；
If thermal power plant unit is condensing bleeder turbine unit, and thermic load is extraction steam for factories, checks whether unit pure condensate operating condition meets depth
Spend peak regulation requirement；
It under the premise of meeting the requirements, checks whether industrial pressure of steam supply meets heat user requirement, is such as unsatisfactory for thermic load steam supply
Pressure requirements install compressor additional from the steam extraction section steam extraction of steam turbine higher pressure and on heat supply pipeline；
The depth peak regulation electric load and thermic load that thermal power plant unit is indicated if meeting heat user requirement all meet.
2. a kind of thermal power plant unit renewable energy Depth peak regulating method as described in claim 1, it is characterized in that: thermal power plant unit exists
Under pure condensate operating condition, the requirement of depth peak regulation can satisfy.
3. a kind of thermal power plant unit renewable energy Depth peak regulating method as described in claim 1, it is characterized in that: compressor is by electricity
Power drive.
4. a kind of thermal power plant unit renewable energy Depth peak regulating method as described in claim 1, it is characterized in that: if thermal power plant unit
For condensing bleeder turbine unit, and thermic load is heating steam supply, and when depth peak regulation, Heating Load is unsatisfactory for part by electric heater
Substitution.
5. a kind of thermal power plant unit renewable energy Depth peak regulating method as described in claim 1, it is characterized in that: if thermal power plant unit
For condensing bleeder turbine unit, and thermic load provides industry and heating steam supply simultaneously, then its heating load part installs electric heater additional,
Industrial steam supply loaded portion installs compressor additional on heat supply pipeline and the spare vapour than steam supply load pressure higher pressure is arranged
Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305147.5A CN107062350B (en) | 2017-05-03 | 2017-05-03 | A kind of thermal power plant unit renewable energy Depth peak regulating method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710305147.5A CN107062350B (en) | 2017-05-03 | 2017-05-03 | A kind of thermal power plant unit renewable energy Depth peak regulating method |
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| Publication Number | Publication Date |
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| CN107062350A CN107062350A (en) | 2017-08-18 |
| CN107062350B true CN107062350B (en) | 2019-01-15 |
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| CN111475951B (en) * | 2020-04-09 | 2023-06-02 | 国网山东省电力公司电力科学研究院 | Working condition analysis method of thermoelectric unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107560A (en) * | 2011-11-15 | 2013-05-15 | 华北电力科学研究院有限责任公司 | Wind power access method and system based on heat supply unit participating power grid peak shaving |
| CN103883364A (en) * | 2013-12-15 | 2014-06-25 | 河南省电力勘测设计院 | Method for solving combined heat and power generation, split-shaft heat supply turbine generating set, and operating method of split-shaft heat supply turbine generating set |
| EP2787197A1 (en) * | 2013-04-05 | 2014-10-08 | Siemens Aktiengesellschaft | Gas turbine power plant with heat accumulator for treating water for a STIG method |
| CN105202519A (en) * | 2015-10-27 | 2015-12-30 | 国家电网公司 | Frequency and peak load modulation all condition coordination control method of heat supply unit |
| CN105202623A (en) * | 2015-09-21 | 2015-12-30 | 国家电网公司 | Method for predicting heating peak modulation capacity of heat supply unit |
-
2017
- 2017-05-03 CN CN201710305147.5A patent/CN107062350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107560A (en) * | 2011-11-15 | 2013-05-15 | 华北电力科学研究院有限责任公司 | Wind power access method and system based on heat supply unit participating power grid peak shaving |
| EP2787197A1 (en) * | 2013-04-05 | 2014-10-08 | Siemens Aktiengesellschaft | Gas turbine power plant with heat accumulator for treating water for a STIG method |
| CN103883364A (en) * | 2013-12-15 | 2014-06-25 | 河南省电力勘测设计院 | Method for solving combined heat and power generation, split-shaft heat supply turbine generating set, and operating method of split-shaft heat supply turbine generating set |
| CN105202623A (en) * | 2015-09-21 | 2015-12-30 | 国家电网公司 | Method for predicting heating peak modulation capacity of heat supply unit |
| CN105202519A (en) * | 2015-10-27 | 2015-12-30 | 国家电网公司 | Frequency and peak load modulation all condition coordination control method of heat supply unit |
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| CN107062350A (en) | 2017-08-18 |
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Inventor after: Lv Haizhen Inventor after: Zheng Wei Inventor after: Zhao Yan Inventor after: You Daning Inventor after: Ding Junqi Inventor after: Xin Gang Inventor after: Liu Rui Inventor after: Liu Yuzhi Inventor after: Guo Junshan Inventor after: Zhang Hu Inventor before: Lv Haizhen Inventor before: Liu Rui Inventor before: Liu Yuzhi Inventor before: Guo Junshan Inventor before: Zhang Hu |
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